﻿/*
 * @Author: Wang chunsheng  email:2192138785@qq.com
 * @Date:   2020-06-20 22:54:46
 * @Last Modified by:   Wang chunsheng  email:2192138785@qq.com
 * @Last Modified time: 2020-06-20 23:13:26
 */
var CreatedOKLodopObject, CLodopIsLocal, CLodopJsState;

let needCLodop=function() {
    //==判断是否需要CLodop(那些不支持插件的浏览器):==

        try {
            var ua = navigator.userAgent;
            if (ua.match(/Windows\sPhone/i))
                return true;
            if (ua.match(/iPhone|iPod|iPad/i))
                return true;
            if (ua.match(/Android/i))
                return true;
            if (ua.match(/Edge\D?\d+/i))
                return true;

            var verTrident = ua.match(/Trident\D?\d+/i);
            var verIE = ua.match(/MSIE\D?\d+/i);
            var verOPR = ua.match(/OPR\D?\d+/i);
            var verFF = ua.match(/Firefox\D?\d+/i);
            var x64 = ua.match(/x64/i);
            if ((!verTrident) && (!verIE) && (x64))
                return true;
            else if (verFF) {
                verFF = verFF[0].match(/\d+/);
                if ((verFF[0] >= 41) || (x64))
                    return true;
            } else if (verOPR) {
                verOPR = verOPR[0].match(/\d+/);
                if (verOPR[0] >= 32)
                    return true;
            } else if ((!verTrident) && (!verIE)) {
                var verChrome = ua.match(/Chrome\D?\d+/i);
                if (verChrome) {
                    verChrome = verChrome[0].match(/\d+/);
                    if (verChrome[0] >= 41)
                        return true;
                }
            }
            return false;
        } catch (err) {
            return true;
        }
    }
let  loadCLodop= function (ip) {
    //==加载引用CLodop的主JS,用双端口8000和18000(以防其中一个被占):==

        if (CLodopJsState == "loading" || CLodopJsState == "complete") return;
        CLodopJsState = "loading";
        var head = document.head || document.getElementsByTagName("head")[0] || document.documentElement;
        var JS1 = document.createElement("script");
        var JS2 = document.createElement("script");
        JS1.src = "http://"+ip+":8000/CLodopfuncs.js?priority=1";
        JS2.src = "http://"+ip+":18000/CLodopfuncs.js";
        JS1.onload  = JS2.onload  = function()    {CLodopJsState = "complete";}
        JS1.onerror = JS2.onerror = function(evt) {CLodopJsState = "complete";}
        $.getScript(JS1.src);
        $.getScript(JS2.src);

        // head.insertBefore(JS1, head.firstChild);
        // head.insertBefore(JS2, head.firstChild);
        CLodopIsLocal = !!((JS1.src + JS2.src).match(/\/\/localho|\/\/127.0.0./i));
    }

    //==获取LODOP对象主过程,判断是否安装、需否升级:==
    let getLodop=function(oOBJECT, oEMBED) {
        var strHtmInstall = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='http://www.lodop.net/download/CLodop_Setup_for_Win64NT_3.093Extend.zip' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
        var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='http://www.lodop.net/download/CLodop_Setup_for_Win64NT_3.093Extend.zip' target='_self'>执行升级</a>,升级后请重新进入。</font>";
        var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='http://www.lodop.net/download/CLodop_Setup_for_Win64NT_3.093Extend.zip' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
        var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='http://www.lodop.net/download/CLodop_Setup_for_Win64NT_3.093Extend.zip' target='_self'>执行升级</a>,升级后请重新进入。</font>";
        var strHtmFireFox = "<br><br><font color='#FF00FF'>（注意：如曾安装过Lodop旧版附件npActiveXPLugin,请在【工具】->【附加组件】->【扩展】中先卸它）</font>";
        var strHtmChrome = "<br><br><font color='#FF00FF'>(如果此前正常，仅因浏览器升级或重安装而出问题，需重新执行以上安装）</font>";
        var strCLodopInstall_1 = "<br><font color='#FF00FF'>Web打印服务CLodop未安装启动，点击这里<a href='http://www.lodop.net/download/CLodop_Setup_for_Win64NT_3.093Extend.zip' target='_self'>下载执行安装</a>";
        var strCLodopInstall_2 = "<br>（若此前已安装过，可<a href='CLodop.protocol:setup' target='_self'>点这里直接再次启动</a>）";
        var strCLodopInstall_3 = "，成功后请刷新本页面。</font>";
        var strCLodopUpdate = "<br><font color='#FF00FF'>Web打印服务CLodop需升级!点击这里<a href='http://www.lodop.net/download/CLodop_Setup_for_Win64NT_3.093Extend.zip' target='_self'>执行升级</a>,升级后请刷新页面。</font>";
        var LODOP;
        try {
            var ua = navigator.userAgent;
            var isIE = !!(ua.match(/MSIE/i)) || !!(ua.match(/Trident/i));
            if ($.needCLodop()) {
                try {
                    LODOP = getCLodop();
                } catch (err) {}
                if (!LODOP && CLodopJsState !== "complete") {
                    if (CLodopJsState == "loading") alert("网页还没下载完毕，请稍等一下再操作."); else alert("没有加载CLodop的主js，请先调用loadCLodop过程.");
                    return;
                }
                if (!LODOP) {
                    document.body.innerHTML = strCLodopInstall_1 + (CLodopIsLocal ? strCLodopInstall_2 : "") + strCLodopInstall_3 + document.body.innerHTML;
                    return;
                } else {
                    if (CLODOP.CVERSION < "3.0.9.3") {
                        document.body.innerHTML = strCLodopUpdate + document.body.innerHTML;
                    }
                    if (oEMBED && oEMBED.parentNode)
                        oEMBED.parentNode.removeChild(oEMBED);
                    if (oOBJECT && oOBJECT.parentNode)
                        oOBJECT.parentNode.removeChild(oOBJECT);
                }
            } else {
                var is64IE = isIE && !!(ua.match(/x64/i));
                //==如果页面有Lodop就直接使用,否则新建:==
                if (oOBJECT || oEMBED) {
                    if (isIE)
                        LODOP = oOBJECT;
                    else
                        LODOP = oEMBED;
                } else if (!CreatedOKLodopObject) {
                    LODOP = document.createElement("object");
                    LODOP.setAttribute("width", 0);
                    LODOP.setAttribute("height", 0);
                    LODOP.setAttribute("style", "position:absolute;left:0px;top:-100px;width:0px;height:0px;");
                    if (isIE)
                        LODOP.setAttribute("classid", "clsid:2105C259-1E0C-4534-8141-A753534CB4CA");
                    else
                        LODOP.setAttribute("type", "application/x-print-lodop");
                    document.documentElement.appendChild(LODOP);
                    CreatedOKLodopObject = LODOP;
                } else
                    LODOP = CreatedOKLodopObject;
                //==Lodop插件未安装时提示下载地址:==
                if ((!LODOP) || (!LODOP.VERSION)) {
                    if (ua.indexOf('Chrome') >= 0)
                        document.body.innerHTML = strHtmChrome + document.body.innerHTML;
                    if (ua.indexOf('Firefox') >= 0)
                        document.body.innerHTML = strHtmFireFox + document.body.innerHTML;
                    document.body.innerHTML = (is64IE ? strHtm64_Install : strHtmInstall) + document.body.innerHTML;
                    return LODOP;
                }
            }
            if (LODOP.VERSION < "6.2.2.6") {
                if (!$.needCLodop())
                    document.body.innerHTML = (is64IE ? strHtm64_Update : strHtmUpdate) + document.body.innerHTML;
            }
            //===如下空白位置适合调用统一功能(如注册语句、语言选择等):==

            //=======================================================
            return LODOP;
        } catch (err) {
            alert("getLodop出错:" + err);
        }
    }



export default {
    needCLodop,
    loadCLodop,
    getLodop
}

//==本JS是加载Lodop插件及CLodop服务的综合示例，可直接使用，建议看懂后融进自己页面程序==

